Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9MKS callsign genealogy
Currently held by BUCKI, JONATHAN S
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N9MKS's current licensee, walking backwards.
- Son, Michael KILgranted 2020-08-20cancelled 2020-09-09
Successor callsigns
Callsigns held now by people who previously held N9MKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9MKS, oldest first.
- BUCKI, JONATHAN S MN1999-05-04 → cancelled 2003-08-21
- Son, Michael K IL2020-09-09 active